Handheld vacuum base



FIG. 1 is a front isometric view of a handheld vacuum base showing the claimed design.

FIG. 2 is a front elevational view of the handheld vacuum base.

FIG. 3 is a rear elevational view of the handheld vacuum base.

FIG. 4 is a right elevational view of the handheld vacuum base, the left elevational view being a mirror image of the right elevational view.

FIG. 5 is a top plan view of the handheld vacuum base; and,

FIG. 6 is a bottom plan view of the handheld vacuum base.

The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for a handheld vacuum base, as shown and described. 